Powdery compound fertilizer anti-caking agent and preparation method thereof

An anti-caking agent and compound fertilizer technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of complex adding operation process, poor anti-caking effect, and high cost of use, and achieve convenient use, simple processing, and low cost. low effect

Inactive Publication Date: 2017-05-31
无锡市天膜新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the oil-soluble anti-caking agents are used, which consume a large amount of mineral oil every year, the use cost is high, and there is serious environmental pollution. Although there are some powder anti-caking agents, most of them use talcum powder and diatomaceous earth. Ordinary powder, but there are several disadvantages: high cost, complicated adding operation process, poor anti-caking effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Embodiment 1: powder compound fertilizer anti-caking agent, it is made up of each component of following percentage by weight: inorganic powder 80%, additive 20%.

[0010] Its preparation method includes the following steps: adding mineral oil, liquid wax, and paraffin into the reaction kettle in proportion, heating to 95°C and keeping it warm for 20 minutes to completely melt, then cooling down to about 80°C, and then slowly adding polycarbonate alcohol, Finally, add the fatty acid into the reaction kettle to prepare the additive; add the 325-mesh inorganic powder and the additive into the powder modification equipment, control the temperature at 70°C, stir at high speed for 30 minutes, and prepare the powder compound fertilizer anti-caking agent after cooling.

[0011] When in use, spray 3 to 5 kilograms of the anti-caking agent prepared by this method per ton of fertilizer, which can effectively ensure that the fertilizer does not agglomerate for 6 months. Up to 95% ...

Embodiment 2

[0012] Embodiment 2: powder compound fertilizer anti-caking agent, it is made up of each component of following percentage by weight: inorganic powder 70%, additive 30%.

[0013] Its preparation method includes the following steps: adding mineral oil, liquid wax, and paraffin into the reaction kettle in proportion, heating to 95°C and keeping it warm for 20 minutes to completely melt, then cooling down to about 80°C, and then slowly adding polycarbonate alcohol, Finally, add the fatty acid into the reaction kettle to prepare the additive; add the 500-mesh inorganic powder and the additive into the powder modification equipment, control the temperature at 70°C, stir at high speed for 30 minutes, and prepare the powder compound fertilizer anti-caking agent after cooling.

[0014] When in use, spray 3 to 5 kilograms of the anti-caking agent prepared by this method per ton of fertilizer, which can effectively ensure that the fertilizer does not agglomerate for 6 months. Up to 97% ...

Embodiment 3

[0015] Embodiment 3: powder compound fertilizer anti-caking agent, it is made up of each component of following percentage by weight: inorganic powder 60%, additive 40%.

[0016] Its preparation method includes the following steps: adding mineral oil, liquid wax, and paraffin into the reaction kettle in proportion, heating to 95°C and keeping it warm for 20 minutes to completely melt, then cooling down to about 80°C, and then slowly adding polycarbonate alcohol, Finally, add the fatty acid into the reaction kettle to prepare the additive; add the 800-mesh inorganic powder and the additive into the powder modification equipment, control the temperature at 70°C, stir at high speed for 30 minutes, and prepare the powder compound fertilizer anti-caking agent after cooling.

[0017] When in use, spray 3 to 5 kilograms of the anti-caking agent prepared by this method per ton of fertilizer, which can effectively ensure that the fertilizer does not agglomerate for 6 months. Up to 99% ...

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PUM

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Abstract

The invention discloses relates to a powdery compound fertilizer anti-caking agent and a preparation method thereof. The powdery compound fertilizer anti-caking agent is composed of the following components in percentages by weight: 60 to 90% of inorganic powder and 10 to 40% of an additive. The preparation method for the powdery compound fertilizer anti-caking agent comprises the following steps: adding mineral oil, liquid wax and paraffin into a reaction vessel in proportion, carrying out heating to 95 DEG C, maintaining the temperature for 20 minutes until the mixture is completely dissolved, then carrying out cooling to about 80 DEG C, slowly adding high-carbon alcohol, and adding fatty acid into the reaction kettle so as to prepare an additive; and adding the inorganic powder with a particle size of 325 to 800 meshes and the additive into a powder modifying device, controlling the temperature at 70 to 80 DEG C, carrying out stirring at a high speed for 30 minutes, and carrying out cooling so as to prepare the powdery compound fertilizer anti-caking agent. The powdery compound fertilizer anti-caking agent provided by the invention has the following advantages: simple processing, convenient use, low cost, environmental protection, no pollution, good anti-caking effect, and capability of guaranteeing a fertilizer not to cake in 6 months.

Description

technical field [0001] The invention relates to a powder compound fertilizer anti-caking agent and a preparation method thereof. Background technique [0002] my country produces tens of millions of tons of compound fertilizers every year. The limitations of formula and system equipment in the production process of compound fertilizers make the products easy to agglomerate during storage, making it difficult for users to use, and seriously affecting the product quality and corporate image of compound fertilizer manufacturers. Enterprises have to use various anti-caking agents to achieve the purpose of anti-caking. In order to solve the caking problem of compound fertilizers, various fertilizer companies and scientific research institutes have conducted in-depth research on this subject, and have developed targeted anti-caking agents for different types of fertilizers. At present, most of the oil-soluble anti-caking agents are used, which consume a large amount of mineral oi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
CPCC05G3/20
Inventor 沈维兴薛文华高明福
Owner 无锡市天膜新材料有限公司
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